Editing Acorn 32016 Second Processor (section)

== Power supply ==

Acorn's leaflet describes the supply as 15 W, 3 A at 5 V, with overvoltage and short circuit protection, and no fan. Input is 240 V 50 Hz through a moulded plug with a 3 A fuse.<ref name="app31" /> The power cable, fuse holder and on/off switch are on the back panel.<ref name="chris05" /> Acorn's user guide puts the switch on the right of the rear panel, seen from the front.<ref name="ug">Acorn Scientific, ''Cambridge Co-Processor User Guide'', issue 1, July 1985. Hosted on this wiki: [[Acorn 32016 Second Processor Documentation]]. Capabilities p. 5; ROMs needed p. 6; ROMs for the B+ p. 6; connecting p. 7; starting up p. 9; Panos needs dual 80-track drives p. 11; trouble-shooting p. 51.</ref> No Acorn circuit diagram of the supply has been found online.

Warning: the supply inside the case runs from mains voltage. Unplug the unit before removing the lid.